metric

PaSST KL divergence KL(gt || pred) on AudioSet-527 logits.

Ports av_bench.metrics.kl.compute_kl 1:1. The primary score is the softmax variant (reported as "MKL" / "KL_PaSST" by V2A papers); the sigmoid variant is exposed in details["kl_sigmoid"].

Classes

fastvideo.eval.metrics.audio.kl_divergence.metric.KLDivergenceMetric

KLDivergenceMetric()

Bases: BaseMetric

PaSST KL divergence KL(gt || pred) on AudioSet-527 logits.

Per-sample. Requires sample["audio"] (generated) and sample["reference_audio"] (ground truth).

Source code in fastvideo/eval/metrics/audio/kl_divergence/metric.py

def __init__(self) -> None:
    super().__init__()
    self._model: Any = None

Functions